Laser scanner

Details Laser scanner Laser scanner

1994-07-20

1997-02-04

Dzierzynski, Paul M.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359205, 359216, 347258, 347259, G02B 2608

Patent

active

056004753

ABSTRACT:
An improved laser scanner has a scanning lens composed of a single lens element and at least one surface of that lens element is of such a geometry that the curvature in a direction normal to the scanning direction varies gradually in the scanning direction in accordance with the specific deflecting face of an optical deflector. This laser scanner experiences less curvature of the image plane and achieves high resolution.

REFERENCES:
patent: 5233457 (1993-08-01), Hamada et al.
patent: 5255113 (1993-10-01), Yoshikawa et al.
patent: 5267075 (1993-11-01), Yamaguchi et al.
patent: 5311348 (1994-05-01), Yamakawa

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